The suit, filed Wednesday (Aug. 15), claims that hot spot Greenhouse, which shares space, owners and a liquor license with W.i.P., lost a $4 million licensing deal because of the fracas.

Furthermore, Entertainment Enterprises, which owns the Greenhouse trademark and filed the suit, specifically targets Brown and Drake for failing to stop the fight and, citing news accounts of their public feud, suggests the two may have instigated the clash.

The lawsuit states that the two musicians, both of whom have dated pop star Rihanna, "began to fight violently with each other [and] each ordered his security personnel, bodyguards, friends and entourage" also named as defendants in the suit -- "to join the fight.